roll: third_party/pigweed 04dc1da..77ad850 (6 commits)

77ad850:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272796 pw_presubmit: Enable buildifier formatting in Bazel
d7bdeda:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272794 pw_kernel: Move scheduler locks into a sub-module
b979d61:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272773 pw_toolchain: ARM Cortex-M4f configs
323d1bf:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272793 pw_kernel: Use mod_name.rs instead of mod_name/mod.rs
e319db3:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/232351 pw_metric: Use atomic operations
8d5512e:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272575 pw_presubmit: Load formatting path exclusions

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 04dc1da93d3496..77ad8508f5c888
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8721292281242738449
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I490be6759069fa794d7dba6cabce9297fd81ba95
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/272832
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 04dc1da..77ad850 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 04dc1da93d349612114f0df94e5e66642c566e3b
+Subproject commit 77ad8508f5c888e99aecd2384f46c2d48cb5b2f8